read an array and output at intervals

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Damith
Damith 2015-9-29
评论： Damith 2015-9-29
Hi,
I need to output 'out' as shown below using a MATLAB script. I want every year 106th row to read and output. Following script won't do this. Can someone help in this regard?
out=prcp(106:365:end,1:2);
out=1998106 0
1999106 13.2
2000106 0
.
2013106 0
prcp= 1998001 0
.
.
1998106 0
.
.
1999106 13.2
.
2013106 0
  2 个评论
Matthew Eicholtz
Matthew Eicholtz 2015-9-29
What is it that you want? I cannot tell from the description.
Damith
Damith 2015-9-29
编辑：Damith 2015-9-29
I want 'out' as shown using 'prcp'. prcp is a 5502x2 matrix. Need to read every year 106th row.
e.g. 1998001 1998 is the year and 001 is the day (Jan 01) and so on.

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采纳的回答

Mohammad Abouali
Mohammad Abouali 2015-9-29
编辑：Mohammad Abouali 2015-9-29
mask = (mod(prcp(:,1),1000) == 106);
out=prcp(mask,:)
if you want to also include "1998001 0", (apparently the first row) then
mask = (mod(prcp(:,1),1000) == 106);
mask(1)=true;
out=prcp(mask,:)

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